selfteaching / selfteaching/selfteaching-python-camp
Day09 elements 的原理
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Description
今天看资料的是否，发现elements()方法在资料是用sorted()进行了转换了的，不太理解sorted()的作用是啥，说是返回一个iterator类型。
我测试了一下，发现结果和用list()转换是一样的，并且不能被str和dictionary所转换，如果不做转换打印出来的结果为<itertools.chain object at 0x000002496EE09198>
后来和教练讨论之后得知，elements()函数虽然返回是一个itertools对象，但是只能被list()结构承接，自定义结构也是不行的。
现在不太理解既然只能被list转换，为什么在底层要返回一个iterator类型，为什么不干脆返回list结构呢？
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No project file or test is named. Start with the referenced material on elements(), sorted(), list(), and itertools.chain, then verify the reported behavior in a minimal Python example. Done means the learning material clearly explains the observed iterator behavior and how it should be handled.
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Assessment
- Tech stack
- python
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- documentation
- Issue type
- Documentation
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100